Electronic Hacks

Autonomous Sound Finding Robot

  Angela Israni, Hemanshu Chawda and Seth Spiel from Cornell University made this Autonomous Sound Finding Robot as their project for the ECE 476  Designing with Microcontrollers course. They have source code posted if you are interested in having a look. Total cost was $361 which included a $325 Acronome PPRK Robot . Video after the jump.   " The PeanutBot robot consists of three microphone circuits, three servo motors,

DIY EC TDS PPM Meter

    I have never had the need (and probably never will) for a device that could measure the amount of salts in a solution, but I found the circuit to be very interesting. This EC TDS PPM Meter project provides all the information you need to make your very own.   "TDS is the measuring of the amount of salts in a solution. For alot of applications the amount

Binary Hard Drive Clock Project

  Have a look at this Binary Hard Drive Clock Project that Dave from Dave’s Tech Blog put together. It is using one of my favorite pieces used computer hardware, that is of course the hard drive! Of course he is also using my favorite color of LED, that being the Blue LED! Dave has a schematic and code on his site so that you can make your own. Watch

Bio Feedback Pong Game

  People have been talking about bio feedback games in the past but Rob has actually pulled it off! Have a look at this Pong Game that he built using some bio feedback.  Up and down is controlled by flexing either the left or right arm, to serve both arms are flexed at the same time.

Technology & Electronics Market in China

Hello All, I am back from China. It was a cold but exciting trip. I had the opportunity to check out some computer and technology markets when I was in China. I took some pictures and did a little shopping when I was there. More pictures and details to follow.

Bicycle Powered Mobile Phone Center

  Llamadassa has put together a Bicycle Powered Mobile Phone Center. The idea is great since it doesn’t require AC power, transporting the phone center charges the battery and the battery can also be charged while the unit is stationary by lifting the wheel off the ground. “The one essential thing that a cell phone has that a call shop doesn’t is a battery, so using parts found in a